#jython IRC Log

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IRC Log for 2014-01-23

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[13:14] <minisu2> Hi! I'm trying to use Celery (which supports Jython) from within my Java application using Jython (2.7-b1). Problem is that I'm getting a "ImportError: No module named multiprocessing". This is the full stack trace: https://gist.github.com/minisu/8578229
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[13:59] <minisu2> I was just told over in #celery to install multiprocessing for it to work with Jython.
[13:59] <minisu2> But I've heard that there's no way that Jython can work with multiprocessing.
[13:59] <minisu2> What is true?
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[14:12] <agronholm> minisu2: jython + multiprocessing is a no go
[14:12] <agronholm> what do you use celery for?
[14:12] <minisu2> thanks
[14:13] <minisu2> For a SaaS project with multiple regions. The core platform is in Python and one of the SaaS-applications are in Java.
[14:13] <agronholm> that doesn't tell what you do with it
[14:14] <minisu2> Aha! It's a distributed task queue. We use it to distribute jobs to workers in the cloud, over RabbitMQ.
[14:14] <agronholm> ok
[14:15] <agronholm> minisu2: if you don't actually use multiprocessing, then installing multiprocessing might actually help
[14:16] <agronholm> if it's just to get past the import error
[14:16] <minisu2> hmm... makes sense, gotta try that!
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[16:02] <jimbaker> minisu2, just looking at https://github.com/celery/celery/issues/96 - by default it should not be using multiprocessing. maybe a regression on some import?
[16:02] <jimbaker> (by default when running on jython that is)
[16:03] <jimbaker> multiprocessing is a nice package for cpython, but we don't have a GIL, so there's no reason to want it
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